Chemical Manufacturing in California
NAICS 325 · CA
California is home to Chemical Manufacturing, an industry with 2,584 establishments counted by the Bureau of Labor Statistics in 2024. The register lists 5,050 facilities in California as of 2026, with 5 new facilities first seen this year. BIOMARIN PHARMACEUTICAL in Novato had 2,086 employees in 2025.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and product lines
Plants in California271 FACILITIES
| Facility | City | Employees | Status |
|---|---|---|---|
| Moon Family Enterprises, LLC | Rancho Cucamonga | — | UNVERIFIED |
| Nalco | San Bernardino | — | UNVERIFIED |
| National Chloride CO of America | Amboy | — | UNVERIFIED |
| Nci Building Systems | Rancho Cucamonga | — | UNVERIFIED |
| Nel Hydrogen INC | Rancho Cucamonga | — | UNVERIFIED |
| Neste Polyester | Ontario | — | UNVERIFIED |
| Nexderm, Inc. | San Bernardino | — | UNVERIFIED |
| Omya, INC. | Lucerne Valley | — | UNVERIFIED |
| Open Door Packaging | Chino | — | UNVERIFIED |
| Owens Corning | Adelanto | — | UNVERIFIED |
| Pacific Diazo Prods INC Fontana | Fontana | — | UNVERIFIED |
| Pacific Tank LTD | Adelanto | — | UNVERIFIED |
| Para Chemical Incorporated | Rancho Cucamonga | — | UNVERIFIED |
| Parallel Products | Rancho Cucamonga | — | UNVERIFIED |
| Paul A. Evans, Inc. | Chino | — | UNVERIFIED |
| P C Industries INC | Ontario | — | UNVERIFIED |
| Petnet Solutions Chan Shun Pavilion | Loma Linda | — | UNVERIFIED |
| Pg&e Roberts Property Cleanup | Hinkley | — | UNVERIFIED |
| Phil Inter Pharma USA INC | Rancho Cucamonga | — | UNVERIFIED |
| Ppg Industries | Ontario | — | UNVERIFIED |
| Prisco Printers Service | Ontario | — | UNVERIFIED |
| Products Techniques, INC. | Bloomington | — | UNVERIFIED |
| Progressive Fastening Systems | Ontario | — | UNVERIFIED |
| Q.e.p. INC. | Adelanto | — | UNVERIFIED |
| Quality Innovations INC | Ontario | — | UNVERIFIED |
| Quality Resources | Adelanto | — | UNVERIFIED |
| Quality Resources | Adelanto | — | UNVERIFIED |
| Repet INC | Chino | — | UNVERIFIED |
| Rerubber LLC | San Bernardino | — | UNVERIFIED |
| Resysta North America, INC. | Chino | — | UNVERIFIED |
| Richard Allen Scientific | Ontario | — | UNVERIFIED |
| Rodney Griffin | Ontario | — | UNVERIFIED |
| Ruben S Avala High School/cvusd | Chino Hills | — | UNVERIFIED |
| Rycoline Prods INC | Ontario | — | UNVERIFIED |
| Rycoline Products, LLC | Adelanto | — | UNVERIFIED |
| Scott's Hyponex CO | Chino | — | UNVERIFIED |
| Sefar INC | Ontario | — | UNVERIFIED |
| Sherwin-williams Company, the | Victorville | — | UNVERIFIED |
| Silmix Ca | Chino | — | UNVERIFIED |
| Simpson Sandblasting & Special Coatings, INC | Fontana | — | UNVERIFIED |
| Simtec | Hesperia | — | UNVERIFIED |
| Socal Biomethane, LLC - Vvwra | Victorville | — | UNVERIFIED |
| Solvay Fluorides, LLC | Bloomington | — | UNVERIFIED |
| Spartech Plastics INC | Redlands | — | UNVERIFIED |
| Specialty Enzymes & Probiotics | Chino | — | UNVERIFIED |
| Specialty Finishes Company | Rancho Cucamonga | — | UNVERIFIED |
| Step Saver - Hesperia | Hesperia | — | UNVERIFIED |
| Steven E Hodgkin Md a Professional Corporation | Redlands | — | UNVERIFIED |
| Superior Sandblasting & Coatings | Fontana | — | UNVERIFIED |
| Sweet Fuels - Baseline LLC | Rancho Cucamonga | — | UNVERIFIED |
All chemical manufacturing nationwide · All manufacturing in California